Home / 3,851.16-5,314.67-2,258.95

Finding the Fourth Proportional to 3,851.16, 5,314.67 and 2,258.95

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Solution

The fourth proportional to 3,851.16, 5,314.67 and 2,258.95 is: 3,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.16 : 5,314.67 = 2,258.95 : x
  2. Step 2: Convert to fraction form
    3,851.16/5,314.67 = 2,258.95/x
  3. Step 3: Cross multiply
    3,851.16x = 5,314.67 × 2,258.95
  4. Step 4: Simplify right side
    3,851.16x = 12,005,535.93
  5. Step 5: Solve for x
    x = 12,005,535.93/3,851.16
  6. Step 6: Final answer
    x = 3,117.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.